<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<a th:href="@{/user}">查询所有</a>
<a th:href="@{/user/1}">根据Id查询单个</a>

<form th:action="@{/user}" method="post">
    用户名：<input type="text" name="username"> <br>
    密码：<input type="password" name="password"> <br>
    <input type="submit" value="提交">
</form>

<br>
<form th:action="@{/user/1}" method="post">
    <input type="hidden" name="_method" value="put">
    用户名：<input type="text" name="username"> <br>
    密码：<input type="password" name="password"> <br>
    <input type="submit" value="提交">
</form>

<form th:action="@{/user/1}" method="post">
    <input type="hidden" name="_method" value="delete">
    <input type="submit" value="提交">
</form>
</body>
</html>